Start a theory to guide practice, after practice, enrich and supplement the theory, so the cycle to reach the two closely integrated and mutually confirmed.
开始是理论指导实践，后又实践丰富和补充理论，如此循环往复，达到二者紧密结合和相互印证。
Start a theory to guide practice, after practice, enrich and supplement the theory, so the cycle to reach the two closely integrated and mutually confirmed.
开始是理论指导实践，后又实践丰富和补充理论，如此循环往复，达到二者紧密结合和相互印证。
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